CVE-2009-2227 in Bopup Communication Server
Summary
by MITRE
Stack-based buffer overflow in B Labs Bopup Communication Server 3.2.26.5460 allows remote attackers to execute arbitrary code via a crafted request to TCP port 19810.
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Analysis
by VulDB Data Team • 12/01/2024
The vulnerability identified as CVE-2009-2227 represents a critical stack-based buffer overflow flaw within the B Labs Bopup Communication Server version 3.2.26.5460. This vulnerability specifically affects the server's handling of network requests on TCP port 19810, which serves as the primary communication endpoint for the messaging infrastructure. The flaw arises from insufficient input validation and bounds checking mechanisms within the server's network protocol implementation, creating an exploitable condition that can be leveraged by remote attackers to gain unauthorized system access.
The technical nature of this vulnerability stems from improper memory management practices within the server's request processing code. When the Bopup Communication Server receives a malformed or specially crafted request on port 19810, the application fails to properly validate the length of incoming data before copying it into a fixed-size stack buffer. This classic buffer overflow condition allows an attacker to overwrite adjacent memory locations, including return addresses and control data, effectively enabling arbitrary code execution. The vulnerability's classification as stack-based indicates that the overflow occurs within the program's stack memory space, making exploitation more predictable and reliable compared to heap-based alternatives.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with full system compromise capabilities. Remote attackers who successfully exploit this vulnerability can execute malicious code with the privileges of the Bopup Communication Server process, potentially leading to complete system takeover. This risk is particularly severe in environments where the server operates with elevated privileges or serves as a critical communication infrastructure component. The vulnerability's remote exploitability means that attackers do not require physical access to the system or local network presence, making it especially dangerous in internet-facing deployments.
Mitigation strategies for CVE-2009-2227 should prioritize immediate patching of the affected Bopup Communication Server version, as vendors have released updates to address the buffer overflow condition. Organizations should implement network segmentation to restrict access to TCP port 19810, limiting exposure to trusted networks only. Additionally, network monitoring solutions should be configured to detect unusual traffic patterns on the affected port, serving as an early warning system for potential exploitation attempts. The vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and represents a clear violation of secure coding practices that should be addressed through proper input validation and memory management. From an ATT&CK framework perspective, this vulnerability maps to techniques involving remote code execution and privilege escalation, making it a significant threat vector requiring immediate remediation.